Automatice Voltage Regulator
Relay 3-30kVA/Servo 3-2000kVA

AVR Relay Type

Wall mounting model

MSR45 : 3kVA-20kVA 

  • Input: 45-260Vac  Output: 220V+/-10%

MSR70 : 3kVA-20kVA

  • Input: 70-265Vac     Output: 220V+10%,-4%
Tower/Floor Stand model

TSR45 : 20kVA, 30kVA 

  • Input: 45-260Vac  Output: 220V+/-10%

TSR70 : 20kVA, 30kVA

  • Input: 70-265Vac    Output: 220V+10%,-4%
Key Features for Relay type
  • Digital Signal Processing(DSP) AVR
  • Excellent protections, output under/over voltage, input voltage sag, over current, overload, winding over temperature
  • Zero crossing of input relay during power energized
  • Display for input/output voltage in integer number and load capacity in percentage
Applicable loads

MSR45 model:

  • Motor pumps
  • Ventilation fans
  • long cable length
  • Welding machine 

MSR70 model:

  • Home appliances
  • Coffe machine
  • Ice-cream making machine
  • Solar inverter
  • Drone chargers
  • Sound Audio & Sound amplifier system

AVR Servo Type

STY 3-5kVA Desktop model

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MSV-10kVA  MSV-15kVA

Input: 100-260Vac     Output: 220V+/- 3%

TSV-10kVA TSV-15kVA

Input: 100-260Vac     Output: 220V+/- 3%

TSV-B-30kVA 3/3 phase

Input: 175-450Vac     Output: 400V+/- 3%

TSV-B-60kVA 3/3 phase

Input: 245-476Vac     Output: 400V+/- 3%

Key Features for Servo type
  • Digital Signal Processing(DSP) AVR
  • Smooth output voltage and high accuracy +/- 3%(220V+/1% optional)
  • Excellent protections, output under/over voltage, input voltage sag, over current, overload, winding over temperature
  • Zero crossing of input relay during power energized
  • Display for input/output voltage in integer number and load capacity in percentage
  • Bypass CB
  • Delay time 6/180S selectable
Applicable loads
  • Home appliances
  • Coffe machine
  • Ice-cream making machine
  • Solar inverter
  • Bitcoin mining machine
  • Ventilation fans
  • Drone chargers
  • Hi-end Audio & Sound amplifier system

Servo Industrial Type

Heavy Duty AVR 3/3 phase 50-2000kVA
Three-wire AC voltage Regulator is composed of;
  • Three phase compensation transformer
  • Three phase regulating and insulating transformer
  • Transmission system
  • Brush contact system
  • Box body and control system
Key Features
  • Sampling circuit transfer signal to synchronous machine
  • Synchronous machine guide the brush regulating
  • Assure the output waveform stable. When the outside power supply network voltage fluctuates or the load changes to make the voltage undulation
  • Three wire AC Voltage Regulator can automatically maintain the output voltage to be stable.